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bixtya [17]
3 years ago
13

please, i need help like now!! Does anyone know what the mean absolute deviation means and how to solve it. i already searched i

t and it was no help.
Mathematics
1 answer:
Alona [7]3 years ago
8 0
<span> the mean absolute deviation is the average absolute deviation from the mean and is a common measure of forecast error in time series analysis. </span>
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Find the value of the variables please please help me out I will mark you the brainly! Please please
RSB [31]

Answer:

m = 54

Step-by-step explanation:

The secant- secant angle 20° is half the difference of the intercepted arcs, that is

\frac{1}{2} (160 - 2m - 12) = 20° ( multiply both sides by 2 to clear the fraction )

- 2m + 148 = 40° ( subtract 148 from both sides )

- 2m = - 108 ( divide both sides by - 2 )

m = 54

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3 years ago
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Tell whether the sequence is arithmetic. If it is, identify the common difference. 4, 8, 16, 32, …
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Answer:

it's geometric

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2 years ago
For an irrational number x = 3 + 2√2 , find out what will be the nature of the number x + 1 /
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It will be irrational. The sum of any irrational and rational number will ALWAYS result in a irrational answer. Khan Academy has a video on this if you want to watch it.
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3 years ago
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Nimfa-mama [501]
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I need to know how to do Solving Systems of Equations by Elimination
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The point of elimination is to have one variable so example

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-3(7x+ 3y = 5) -----> -21x -9y = -15


2) add

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4) Subsitute the variable to get the other one

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The intersection would be 0.53 with a line above the 3 and 2.8. (0.5333 , 2.8)

Hope you understand!!
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3 years ago
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